aeidon/enums/registers.py

Source code for module aeidon.enums.registers from file aeidon/enums/registers.py.

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# -*- coding: utf-8 -*-

# Copyright (C) 2005 Osmo Salomaa
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.

"""Enumerations for action reversion register types."""

import aeidon

__all__ = ("registers",)


class Do(aeidon.EnumerationItem):

    shift = 1
    signal = "action-done"


class Undo(aeidon.EnumerationItem):

    shift = -1
    signal = "action-undone"


class Redo(aeidon.EnumerationItem):

    shift = 1
    signal = "action-redone"


registers = aeidon.Enumeration()
registers.DO = Do()
registers.UNDO = Undo()
registers.REDO = Redo()